Lurie, Stephen J., and Margaret A. Winker. "Numbers of 4 or More Digits to Either Side of the Decimal Point." AMA Manual of Style. 20090401. Oxford University Press. Date of access 3 Mar. 2015, <http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-501>.

Lurie, S., & Winker, M. (20090401). Numbers of 4 or More Digits to Either Side of the Decimal Point. AMA Manual of Style. Retrieved 3 Mar. 2015, from http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-501.

Lurie, Stephen J., and Margaret A. Winker. "Numbers of 4 or More Digits to Either Side of the Decimal Point." AMA Manual of Style. 3 Mar. 2015. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-501.

Lurie SJ, Winker MA. Numbers of 4 or more digits to either side of the decimal point. In: AMA Manual of Style: A Guide for Authors and Editors. New York, NY: Oxford University Press; 2007. http://www.amamanualofstyle.com/view/10.1093/jama/9780195176339.001.0001/med-9780195176339-div2-501. Accessed March 3, 2015.